260767666 has 8 divisors (see below), whose sum is σ = 411738480. Its totient is φ = 123521508.

The previous prime is 260767631. The next prime is 260767673. The reversal of 260767666 is 666767062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3431116 + ... + 3431191.

It is an arithmetic number, because the mean of its divisors is an integer number (51467310).

Almost surely, 2^260767666 is an apocalyptic number.

260767666 is a deficient number, since it is larger than the sum of its proper divisors (150970814).

260767666 is a wasteful number, since it uses less digits than its factorization.

260767666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6862328.

The product of its (nonzero) digits is 762048, while the sum is 46.

The square root of 260767666 is about 16148.3022637056. The cubic root of 260767666 is about 638.8779705635.

The spelling of 260767666 in words is "two hundred sixty million, seven hundred sixty-seven thousand, six hundred sixty-six".